mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2025-08-21 13:53:55 -07:00
textual / style
This commit is contained in:
iceman1001
parent
291a4a4aa2
commit
8cd19d7c87
1 changed files with 259 additions and 168 deletions
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@ -30,10 +30,12 @@
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#include "cliparser.h"
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#include "ui.h"
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/** Application ID for the Gallagher Card Application Directory */
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static int CmdHelp(const char *cmd);
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// Application ID for the Gallagher Card Application Directory
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static const uint32_t CAD_AID = 0x2F81F4;
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/** Default MIFARE Site Key */
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// Default MIFARE site key (16 bytes)
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static const uint8_t DEFAULT_SITE_KEY[] = {
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0x31, 0x12, 0xB7, 0x38, 0xD8, 0x86, 0x2C, 0xCD,
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0x34, 0x30, 0x2E, 0xB2, 0x99, 0xAA, 0xB4, 0x56,
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@ -59,9 +61,8 @@ int hfgal_diversify_key(uint8_t *site_key, uint8_t *uid, uint8_t uid_len,
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed generating Gallagher key diversification input");
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if (site_key == NULL) {
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PrintAndLogEx(INFO, "hfgal_diversify_key is using default site key: %s",
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sprint_hex_inrow(DEFAULT_SITE_KEY, ARRAYLEN(DEFAULT_SITE_KEY)));
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site_key = (uint8_t *) &DEFAULT_SITE_KEY;
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PrintAndLogEx(INFO, "hfgal_diversify_key is using default site key");
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memcpy(site_key, DEFAULT_SITE_KEY, sizeof(DEFAULT_SITE_KEY));
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}
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// Make temporary DesfireContext
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@ -79,6 +80,7 @@ int hfgal_diversify_key(uint8_t *site_key, uint8_t *uid, uint8_t uid_len,
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* @brief Reverses the bytes in AID. Used when parsing CLI args
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* (because Proxmark displays AIDs in reverse byte order).
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*/
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// iceman todo: use commonutil.c fct
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static void reverse_aid(uint8_t *aid) {
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uint8_t tmp = aid[0];
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aid[0] = aid[2];
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@ -89,6 +91,8 @@ static void reverse_aid(uint8_t *aid) {
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* @brief Converts a Card Application Directory format application ID to an integer.
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* Note: the CAD stores AIDs in reverse order, so this is different to DesfireAIDByteToUint().
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*/
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// iceman todo: use commonutil.c fct
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static uint32_t cad_aid_byte_to_uint(const uint8_t *data) {
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return data[2] + (data[1] << 8) + (data[0] << 16);
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}
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@ -97,6 +101,7 @@ static uint32_t cad_aid_byte_to_uint(const uint8_t *data) {
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* @brief Converts an integer application ID to Card Application Directory format.
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* Note: the CAD stores AIDs in reverse order, so this is different to DesfireAIDUintToByte().
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*/
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// iceman todo: use commonutil.c fct
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static void cad_aid_uint_to_byte(uint32_t aid, uint8_t *data) {
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data[2] = aid & 0xff;
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data[1] = (aid >> 8) & 0xff;
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@ -108,7 +113,8 @@ static void cad_aid_uint_to_byte(uint32_t aid, uint8_t *data) {
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* is for the specified region & facility, false otherwise.
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*/
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static bool cad_facility_match(const uint8_t *entry, uint8_t region_code, uint16_t facility_code) {
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return entry[0] == region_code && (entry[1] << 8) + entry[2] == facility_code;
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return (entry[0] == region_code) &&
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((entry[1] << 8) + entry[2] == facility_code);
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}
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/**
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@ -142,16 +148,20 @@ static int authenticate(DesfireContext_t *ctx, bool verbose) {
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int res = DesfireAuthenticate(ctx, DACEV1, false);
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if (res != PM3_SUCCESS) {
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PrintAndLogEx(ERR, "Desfire authenticate " _RED_("error")
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". Result: [%d] %s", res, DesfireAuthErrorToStr(res));
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PrintAndLogEx(ERR, "Desfire authenticate " _RED_("error") ". Result: [%d] %s",
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res,
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DesfireAuthErrorToStr(res)
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);
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return res;
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}
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if (DesfireIsAuthenticated(ctx)) {
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if (verbose)
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PrintAndLogEx(INFO, "Authenticated to AID %06X", ctx->selectedAID);
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} else
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if (verbose) {
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PrintAndLogEx(INFO, "Authenticated to AID " _YELLOW_("%06X"), ctx->selectedAID);
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}
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} else {
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return 201;
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}
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return PM3_SUCCESS;
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}
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@ -179,15 +189,18 @@ static bool aid_exists(DesfireContext_t *ctx, uint32_t aid, bool verbose) {
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DesfireSetCommandSet(ctx, DCCNativeISO);
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int res = DesfireSelectAIDHex(ctx, aid, false, 0);
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if (res != PM3_SUCCESS && res != PM3_EAPDU_FAIL)
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PM3_RET_ERR(false, "Select failed with error %d, assuming AID %06X "
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"does not exist", res, aid);
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if (res != PM3_SUCCESS && res != PM3_EAPDU_FAIL) {
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PM3_RET_ERR(false, "Select failed with error %d, assuming AID %06X does not exist", res, aid);
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}
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if (verbose)
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PrintAndLogEx(INFO, "AID %06X %s", aid,
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res == PM3_SUCCESS ? "exists" : "does not exist");
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if (verbose) {
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PrintAndLogEx(INFO, "AID %06X %s",
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aid,
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res == PM3_SUCCESS ? "exists" : "does not exist"
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);
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}
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return res == PM3_SUCCESS;
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return (res == PM3_SUCCESS);
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}
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/**
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@ -197,8 +210,9 @@ static bool aid_exists(DesfireContext_t *ctx, uint32_t aid, bool verbose) {
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static uint32_t find_available_gallagher_aid(DesfireContext_t *ctx, bool verbose) {
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for (uint8_t i = 0x0; i <= 0xB; i++) {
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uint32_t aid = 0x2081F4 | (i << 16);
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if (!aid_exists(ctx, aid, verbose))
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if (aid_exists(ctx, aid, verbose) == false) {
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return aid;
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}
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}
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return 0;
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}
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@ -222,7 +236,7 @@ static int hfgal_delete_app(DesfireContext_t *ctx, uint8_t *site_key,
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res = DesfireDeleteApplication(ctx, aid);
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed deleting AID %06X", aid);
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PrintAndLogEx(INFO, "Successfully deleted AID %06X", aid);
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PrintAndLogEx(INFO, "Successfully deleted AID " _YELLOW_("%06X"), aid);
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return PM3_SUCCESS;
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}
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@ -236,9 +250,9 @@ static int hfgal_delete_app(DesfireContext_t *ctx, uint8_t *site_key,
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static int hfgal_read_creds_app(DesfireContext_t *ctx, uint32_t aid, uint8_t *site_key,
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GallagherCredentials_t *creds, bool verbose) {
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// Check that card UID has been set
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if (ctx->uidlen == 0)
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PM3_RET_ERR(PM3_EINVARG, "Card UID must be set in DesfireContext "
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"(required for key diversification)");
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if (ctx->uidlen == 0) {
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PM3_RET_ERR(PM3_EINVARG, "Card UID must be set in DesfireContext (required for key diversification)");
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}
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// Select application & authenticate
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DesfireSetKeyNoClear(ctx, 2, T_AES, site_key);
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@ -254,16 +268,23 @@ static int hfgal_read_creds_app(DesfireContext_t *ctx, uint32_t aid, uint8_t *si
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed reading file 0 in AID %06X", aid);
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// Check file contained 16 bytes of data
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if (read_len != 16)
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PM3_RET_ERR(PM3_EFAILED, "Failed reading file 0 in AID %06X, expected "
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"16 bytes but received %d bytes", aid, read_len);
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if (read_len != 16) {
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PM3_RET_ERR(PM3_EFAILED, "Failed reading file 0 in AID %06X, expected 16 bytes, got %d bytes",
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aid,
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read_len
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);
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}
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// Check second half of file is the bitwise inverse of the first half
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for (uint8_t i = 8; i < 16; i++)
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for (uint8_t i = 8; i < 16; i++) {
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buf[i] ^= 0xFF;
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if (memcmp(buf, &buf[8], 8) != 0)
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PM3_RET_ERR(PM3_EFAILED, "Invalid cardholder data in file 0 in "
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"AID %06X. Received %s", sprint_hex_inrow(buf, 16));
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}
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if (memcmp(buf, &buf[8], 8) != 0) {
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PM3_RET_ERR(PM3_EFAILED, "Invalid cardholder data in file 0 in AID %06X. Received %s",
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sprint_hex_inrow(buf, 16)
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);
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}
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gallagher_decode_creds(buf, creds);
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@ -293,7 +314,7 @@ static int hfgal_create_creds_app(DesfireContext_t *ctx, uint8_t *site_key, uint
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DesfireCryptoAlgorithm app_algo = T_AES;
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uint8_t num_keys = 3;
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uint8_t ks1 = 0x0B;
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uint8_t ks2 = (DesfireKeyAlgoToType(app_algo) << 6) | num_keys;;
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uint8_t ks2 = (DesfireKeyAlgoToType(app_algo) << 6) | num_keys;
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uint8_t data[5] = {0};
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DesfireAIDUintToByte(aid, &data[0]);
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@ -302,12 +323,11 @@ static int hfgal_create_creds_app(DesfireContext_t *ctx, uint8_t *site_key, uint
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DesfireSetCommMode(ctx, DCMMACed);
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res = DesfireCreateApplication(ctx, data, ARRAYLEN(data));
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed creating application %06X. "
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"Does it already exist?", aid);
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed creating application %06X. Does it already exist?", aid);
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if (verbose)
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PrintAndLogEx(INFO, "Created application %06X (currently has empty "
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"contents & blank keys)", aid);
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if (verbose) {
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PrintAndLogEx(INFO, "Created application " _YELLOW_("%06X") " (empty contents & blank keys)", aid);
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}
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// Select the new application
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res = select_aid(ctx, aid, verbose);
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@ -321,26 +341,29 @@ static int hfgal_create_creds_app(DesfireContext_t *ctx, uint8_t *site_key, uint
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed diversifying key %d for AID %06X", i, aid);
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PrintAndLogEx(INFO, "Diversified key %d for AID %06X: " _GREEN_("%s"),
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i, aid, sprint_hex_inrow(buf, ARRAYLEN(buf)));
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i,
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aid,
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sprint_hex_inrow(buf, ARRAYLEN(buf))
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);
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// Authenticate
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uint8_t blank_key[CRYPTO_AES128_KEY_SIZE] = {0};
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DesfireSetKeyNoClear(ctx, 0, T_AES, blank_key);
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DesfireSetKdf(ctx, MFDES_KDF_ALGO_NONE, NULL, 0);
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res = authenticate(ctx, verbose);
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PM3_RET_IF_ERR_WITH_MSG(res, "Desfire authenticate error. Result: "
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"[%d] %s", res, DesfireAuthErrorToStr(res));
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PM3_RET_IF_ERR_WITH_MSG(res, "Desfire authenticate error. Result: [%d] %s", res, DesfireAuthErrorToStr(res));
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// Change key
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DesfireSetCommMode(ctx, DCMEncryptedPlain);
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res = DesfireChangeKey(ctx, false, i, app_algo, 1, buf, app_algo, blank_key, verbose);
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed setting key %d for AID %06X", i, aid);
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if (verbose)
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PrintAndLogEx(INFO, "Successfully set key %d for AID %06X", i, aid);
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if (verbose) {
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PrintAndLogEx(INFO, "Successfully set key " _YELLOW_("%d") " for AID " _YELLOW_("%06X"), i, aid);
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}
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}
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PrintAndLogEx(INFO, "Successfully created credentials application %06X", aid);
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PrintAndLogEx(INFO, "Successfully created credentials application " _YELLOW_("%06X"), aid);
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return PM3_SUCCESS;
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}
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@ -377,22 +400,23 @@ static int hfgal_create_creds_file(DesfireContext_t *ctx, uint8_t *site_key, uin
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res = DesfireCreateFile(ctx, file_type, data, ARRAYLEN(data), false);
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed creating file 0 in AID %06X", aid);
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if (verbose)
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PrintAndLogEx(INFO, "Created file 0 in AID %06X (currently has empty contents)", aid);
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if (verbose) {
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PrintAndLogEx(INFO, "Created file 0 in AID " _YELLOW_("%06X") " (empty contents)", aid);
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}
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// Create file contents (2nd half is the bitwise inverse of the encoded creds)
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uint8_t contents[16] = {0};
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gallagher_encode_creds(contents, creds);
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for (int i = 0; i < 8; i++)
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for (int i = 0; i < 8; i++) {
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contents[i + 8] = contents[i] ^ 0xFF;
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}
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// Write file
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DesfireSetCommMode(ctx, DCMEncrypted);
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res = DesfireWriteFile(ctx, file_id, 0, ARRAYLEN(contents), contents);
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed writing data to file 0 in AID %06X");
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PrintAndLogEx(INFO, "Successfully wrote cardholder credentials to "
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"file 0 in AID %06X", aid);
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PrintAndLogEx(INFO, "Successfully wrote cardholder credentials to file " _YELLOW_("0") " in AID " _YELLOW_("%06X"), aid);
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return PM3_SUCCESS;
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}
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@ -406,32 +430,37 @@ static int hfgal_create_creds_file(DesfireContext_t *ctx, uint8_t *site_key, uin
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static int hfgal_read_cad(DesfireContext_t *ctx, uint8_t *dest_buf,
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uint8_t dest_buf_len, uint8_t *num_entries_out, bool verbose) {
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if (dest_buf_len < 3 * 36) {
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PrintAndLogEx(ERR, "hfgal_read_cad destination buffer is incorrectly sized. "
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"Received length %d, must be at least %d", dest_buf_len, 3 * 36);
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PrintAndLogEx(ERR, "hfgal_read_cad destination buffer is incorrectly sized. Received len %d, must be at least %d",
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dest_buf_len,
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3 * 36
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);
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return PM3_EINVARG;
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}
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// Get card AIDs from Card Application Directory (which contains 1 to 3 files)
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int res = select_aid(ctx, CAD_AID, verbose);
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed selecting Card Application "
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"Directory, does AID %06X exist?", CAD_AID);
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed selecting Card Application Directory, does AID %06X exist?", CAD_AID);
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// Read up to 3 files with 6x 6-byte entries each
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for (uint8_t i = 0; i < 3; i++) {
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size_t read_len;
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res = DesfireReadFile(ctx, i, 0, 36, &dest_buf[i * 36], &read_len);
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if (res != PM3_SUCCESS && res != PM3_EAPDU_FAIL)
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PM3_RET_ERR(res, "Failed reading file %d in Card Application "
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"Directory (AID %06X)", i, CAD_AID);
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if (res != PM3_SUCCESS && res != PM3_EAPDU_FAIL) {
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PM3_RET_ERR(res, "Failed reading file %d in Card Application Directory (AID %06X)", i, CAD_AID);
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}
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// end if the last entry is NULL
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if (memcmp(&dest_buf[36 * i + 30], "\0\0\0\0\0\0", 6) == 0) break;
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if (memcmp(&dest_buf[36 * i + 30], "\0\0\0\0\0\0", 6) == 0) {
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break;
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}
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}
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// Count number of entries (i.e. count until we hit a NULL entry)
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uint8_t num_entries = 0;
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for (uint8_t i = 0; i < dest_buf_len; i += 6) {
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if (memcmp(&dest_buf[i], "\0\0\0\0\0\0", 6) == 0) break;
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if (memcmp(&dest_buf[i], "\0\0\0\0\0\0", 6) == 0) {
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break;
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}
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num_entries++;
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}
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*num_entries_out = num_entries;
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@ -440,10 +469,14 @@ static int hfgal_read_cad(DesfireContext_t *ctx, uint8_t *dest_buf,
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PrintAndLogEx(WARNING, "Card Application Directory is empty");
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} else if (verbose) {
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// Print what we found
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// iceman maybe on seperate lines for easier reading.
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PrintAndLogEx(SUCCESS, "Card Application Directory contains:" NOLF);
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for (int i = 0; i < num_entries; i++)
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PrintAndLogEx(NORMAL, "%s %06X" NOLF, (i == 0) ? "" : ",",
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cad_aid_byte_to_uint(&dest_buf[i * 6 + 3]));
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for (int i = 0; i < num_entries; i++) {
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PrintAndLogEx(NORMAL, "%s %06X" NOLF,
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(i == 0) ? "" : ",",
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cad_aid_byte_to_uint(&dest_buf[i * 6 + 3])
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);
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}
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PrintAndLogEx(NORMAL, "");
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}
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@ -458,8 +491,7 @@ static int hfgal_read_cad(DesfireContext_t *ctx, uint8_t *dest_buf,
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static int hfgal_create_cad(DesfireContext_t *ctx, uint8_t *site_key, bool verbose) {
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// Check that card UID has been set
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if (ctx->uidlen == 0)
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PM3_RET_ERR(PM3_EINVARG, "Card UID must be set in DesfireContext "
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"(required for key diversification)");
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PM3_RET_ERR(PM3_EINVARG, "Card UID must be set in DesfireContext (required for key div)");
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// Select application & authenticate
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int res = select_aid_and_authenticate(ctx, 0x000000, verbose);
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@ -478,12 +510,13 @@ static int hfgal_create_cad(DesfireContext_t *ctx, uint8_t *site_key, bool verbo
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DesfireSetCommMode(ctx, DCMMACed);
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res = DesfireCreateApplication(ctx, data, ARRAYLEN(data));
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed creating Card Application Directory. "
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"Does it already exist?", CAD_AID);
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PM3_RET_IF_ERR_WITH_MSG(res, "Failed creating Card Application Directory. Does it already exist?", CAD_AID);
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if (verbose)
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PrintAndLogEx(INFO, "Created Card Application Directory (AID %06X, "
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"currently has empty contents & blank keys)", CAD_AID);
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if (verbose) {
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||||
PrintAndLogEx(INFO, "Created Card Application Directory (AID " _YELLOW_("%06X") ", empty contents & blank keys)",
|
||||
CAD_AID
|
||||
);
|
||||
}
|
||||
|
||||
// Select application & authenticate
|
||||
uint8_t blank_key[DESFIRE_MAX_KEY_SIZE] = {0};
|
||||
|
|
@ -497,8 +530,10 @@ static int hfgal_create_cad(DesfireContext_t *ctx, uint8_t *site_key, bool verbo
|
|||
res = hfgal_diversify_key(site_key, ctx->uid, ctx->uidlen, 0, CAD_AID, buf);
|
||||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed diversifying key 0 for AID %06X", CAD_AID);
|
||||
|
||||
PrintAndLogEx(INFO, "Diversified key 0 for CAD (AID %06X): " _GREEN_("%s"),
|
||||
CAD_AID, sprint_hex_inrow(buf, ARRAYLEN(buf)));
|
||||
PrintAndLogEx(INFO, "Diversified key " _YELLOW_("0") " for CAD (AID " _YELLOW_("%06X") "): " _GREEN_("%s"),
|
||||
CAD_AID,
|
||||
sprint_hex_inrow(buf, ARRAYLEN(buf))
|
||||
);
|
||||
|
||||
// Change key
|
||||
DesfireSetCommMode(ctx, DCMEncryptedPlain);
|
||||
|
|
@ -506,10 +541,9 @@ static int hfgal_create_cad(DesfireContext_t *ctx, uint8_t *site_key, bool verbo
|
|||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed setting key 0 for CAD");
|
||||
|
||||
if (verbose)
|
||||
PrintAndLogEx(INFO, "Successfully set key 0 for CAD");
|
||||
PrintAndLogEx(INFO, "Successfully set key " _YELLOW_("0") " for CAD");
|
||||
|
||||
PrintAndLogEx(INFO, "Successfully created Card Application Directory "
|
||||
"(AID %06X)", CAD_AID);
|
||||
PrintAndLogEx(INFO, "Successfully created Card Application Directory (AID " _YELLOW_("%06X") ")", CAD_AID);
|
||||
return PM3_SUCCESS;
|
||||
}
|
||||
|
||||
|
|
@ -526,32 +560,38 @@ static int hfgal_add_aid_to_cad(DesfireContext_t *ctx, uint8_t *site_key, uint32
|
|||
uint8_t cad[36 * 3] = {0};
|
||||
uint8_t num_entries = 0;
|
||||
if (aid_exists(ctx, CAD_AID, false)) {
|
||||
if (verbose)
|
||||
if (verbose) {
|
||||
PrintAndLogEx(INFO, "Card Application Directory exists, reading entries...");
|
||||
}
|
||||
|
||||
int res = hfgal_read_cad(ctx, cad, ARRAYLEN(cad), &num_entries, verbose);
|
||||
PM3_RET_IF_ERR(res);
|
||||
|
||||
// Check that there is space for the new entry
|
||||
if (num_entries >= 18)
|
||||
if (num_entries >= 18) {
|
||||
PM3_RET_ERR(PM3_EFATAL, "Card application directory is full");
|
||||
}
|
||||
|
||||
} else {
|
||||
// CAD doesn't exist, we need to create it
|
||||
if (verbose)
|
||||
if (verbose) {
|
||||
PrintAndLogEx(INFO, "Card Application Directory does not exist, creating it now...");
|
||||
}
|
||||
|
||||
int res = hfgal_create_cad(ctx, site_key, verbose);
|
||||
PM3_RET_IF_ERR(res);
|
||||
}
|
||||
|
||||
uint8_t file_id = num_entries / 6; // 6 entries per file
|
||||
// 6 entries per file
|
||||
uint8_t file_id = num_entries / 6;
|
||||
uint8_t entry_num = num_entries % 6;
|
||||
|
||||
// Check if facility already exists in CAD.
|
||||
for (uint8_t i = 0; i < ARRAYLEN(cad); i += 6) {
|
||||
if (cad_facility_match(&cad[i], creds->region_code, creds->facility_code))
|
||||
PM3_RET_ERR(PM3_EFATAL, "Facility already exists in CAD, delete or "
|
||||
"update AID %06X instead", cad_aid_byte_to_uint(&cad[i + 3]));
|
||||
PM3_RET_ERR(PM3_EFATAL, "Facility already exists in CAD, delete or update AID %06X",
|
||||
cad_aid_byte_to_uint(&cad[i + 3])
|
||||
);
|
||||
}
|
||||
|
||||
// Create entry
|
||||
|
|
@ -561,9 +601,13 @@ static int hfgal_add_aid_to_cad(DesfireContext_t *ctx, uint8_t *site_key, uint32
|
|||
entry[2] = creds->facility_code & 0xFF;
|
||||
cad_aid_uint_to_byte(aid, &entry[3]);
|
||||
|
||||
if (verbose)
|
||||
PrintAndLogEx(INFO, "Adding entry to CAD (position %d in file %d): %s",
|
||||
entry_num, file_id, sprint_hex_inrow(entry, 6));
|
||||
if (verbose) {
|
||||
PrintAndLogEx(INFO, "Adding entry to CAD (position " _YELLOW_("%d") " in file " _YELLOW_("%d") "): %s",
|
||||
entry_num,
|
||||
file_id,
|
||||
sprint_hex_inrow(entry, 6)
|
||||
);
|
||||
}
|
||||
|
||||
// Select application & authenticate
|
||||
DesfireSetKeyNoClear(ctx, 0, T_AES, site_key);
|
||||
|
|
@ -573,8 +617,9 @@ static int hfgal_add_aid_to_cad(DesfireContext_t *ctx, uint8_t *site_key, uint32
|
|||
|
||||
// Create file if necessary
|
||||
if (entry_num == 0) {
|
||||
if (verbose)
|
||||
if (verbose) {
|
||||
PrintAndLogEx(INFO, "Creating new file in CAD");
|
||||
}
|
||||
|
||||
// Prepare create file command
|
||||
uint8_t file_type = 0; // standard data file
|
||||
|
|
@ -591,23 +636,19 @@ static int hfgal_add_aid_to_cad(DesfireContext_t *ctx, uint8_t *site_key, uint32
|
|||
|
||||
// Create file
|
||||
res = DesfireCreateFile(ctx, file_type, data, ARRAYLEN(data), false);
|
||||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed creating file %d in CAD "
|
||||
"(AID %06X)", file_id, CAD_AID);
|
||||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed creating file %d in CAD (AID %06X)", file_id, CAD_AID);
|
||||
|
||||
if (verbose)
|
||||
PrintAndLogEx(INFO, "Created file %d in CAD (currently has "
|
||||
"empty contents)", file_id);
|
||||
PrintAndLogEx(INFO, "Created file " _YELLOW_("%d") " in CAD (empty contents)", file_id);
|
||||
|
||||
// Write file
|
||||
res = DesfireWriteFile(ctx, file_id, 0, 36, &cad[file_id * 36]);
|
||||
} else
|
||||
// Write file
|
||||
res = DesfireWriteFile(ctx, file_id, entry_num * 6, 6, entry);
|
||||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed writing data to file %d in CAD "
|
||||
"(AID %06X)", file_id, CAD_AID);
|
||||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed writing data to file %d in CAD AID %06X)", file_id, CAD_AID);
|
||||
|
||||
PrintAndLogEx(INFO, "Successfully added new entry for %06X to the Card "
|
||||
"Application Directory", aid);
|
||||
PrintAndLogEx(INFO, "Successfully added new entry for " _YELLOW_("%06X") " to the Card Application Directory", aid);
|
||||
return PM3_SUCCESS;
|
||||
}
|
||||
|
||||
|
|
@ -629,12 +670,13 @@ static int hfgal_remove_aid_from_cad(DesfireContext_t *ctx, uint8_t *site_key,
|
|||
// Check if facility already exists in CAD
|
||||
uint8_t entry_idx;
|
||||
for (entry_idx = 0; entry_idx < num_entries; entry_idx++) {
|
||||
if (aid > 0 && aid == cad_aid_byte_to_uint(&cad[entry_idx * 6 + 3]))
|
||||
if (aid > 0 && aid == cad_aid_byte_to_uint(&cad[entry_idx * 6 + 3])) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (entry_idx >= num_entries) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "Specified facility or AID does not exist in the Card Application Directory");
|
||||
}
|
||||
if (entry_idx >= num_entries)
|
||||
PM3_RET_ERR(PM3_EINVARG, "Specified facility or AID does not exist "
|
||||
"in the Card Application Directory");
|
||||
|
||||
// Remove entry (shift all entries left, then clear the last entry)
|
||||
memmove(
|
||||
|
|
@ -658,11 +700,11 @@ static int hfgal_remove_aid_from_cad(DesfireContext_t *ctx, uint8_t *site_key,
|
|||
for (uint8_t file_id = file_id_start; file_id <= file_id_stop - delete_last_file; file_id++) {
|
||||
// Write file
|
||||
res = DesfireWriteFile(ctx, file_id, 0, 36, &cad[file_id * 36]);
|
||||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed writing data to file %d in CAD "
|
||||
"(AID %06X)", file_id, CAD_AID);
|
||||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed writing data to file %d in CAD (AID %06X)", file_id, CAD_AID);
|
||||
|
||||
if (verbose)
|
||||
PrintAndLogEx(INFO, "Updated file %d in CAD", file_id);
|
||||
if (verbose) {
|
||||
PrintAndLogEx(INFO, "Updated file " _YELLOW_("%d") " in CAD", file_id);
|
||||
}
|
||||
}
|
||||
|
||||
// Delete empty file if necessary
|
||||
|
|
@ -673,11 +715,15 @@ static int hfgal_remove_aid_from_cad(DesfireContext_t *ctx, uint8_t *site_key,
|
|||
res = DesfireDeleteFile(ctx, file_id);
|
||||
PM3_RET_IF_ERR_WITH_MSG(res, "Failed deleting file %d from CAD (AID %06X)", file_id, CAD_AID);
|
||||
|
||||
if (verbose)
|
||||
PrintAndLogEx(INFO, "Deleted unnecessary file %d from CAD (AID %06X)", file_id, CAD_AID);
|
||||
if (verbose) {
|
||||
PrintAndLogEx(INFO, "Deleted unnecessary file " _YELLOW_("%d") " from CAD (AID " _YELLOW_("%06X")")",
|
||||
file_id,
|
||||
CAD_AID
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
PrintAndLogEx(INFO, "Successfully removed %06X from the Card Application Directory", aid);
|
||||
PrintAndLogEx(INFO, "Successfully removed " _YELLOW_("%06X") " from the Card Application Directory", aid);
|
||||
return PM3_SUCCESS;
|
||||
}
|
||||
|
||||
|
|
@ -689,6 +735,7 @@ static int hfgal_remove_aid_from_cad(DesfireContext_t *ctx, uint8_t *site_key,
|
|||
* @param site_key MIFARE site key.
|
||||
* @param quiet Suppress error messages. Used when in continuous reader mode.
|
||||
*/
|
||||
// iceman, verbose and quiet... one should be enough.
|
||||
static int hfgal_read_card(uint32_t aid, uint8_t *site_key, bool verbose, bool quiet) {
|
||||
DropField();
|
||||
clearCommandBuffer();
|
||||
|
|
@ -719,11 +766,15 @@ static int hfgal_read_card(uint32_t aid, uint8_t *site_key, bool verbose, bool q
|
|||
uint32_t current_aid = cad_aid_byte_to_uint(&cad[i + 3]);
|
||||
|
||||
if (verbose) {
|
||||
if (region_code > 0 || facility_code > 0)
|
||||
PrintAndLogEx(INFO, "Reading AID: %06X, region: %u, facility: %u",
|
||||
current_aid, region_code, facility_code);
|
||||
else
|
||||
PrintAndLogEx(INFO, "Reading AID: %06X", current_aid);
|
||||
if (region_code > 0 || facility_code > 0) {
|
||||
PrintAndLogEx(INFO, "Reading AID: " _YELLOW_("%06X") ", region: " _YELLOW_("%u") ", facility: " _YELLOW_("%u"),
|
||||
current_aid,
|
||||
region_code,
|
||||
facility_code
|
||||
);
|
||||
} else {
|
||||
PrintAndLogEx(INFO, "Reading AID: " _YELLOW_("%06X"), current_aid);
|
||||
}
|
||||
}
|
||||
|
||||
// Read & decode credentials
|
||||
|
|
@ -731,29 +782,34 @@ static int hfgal_read_card(uint32_t aid, uint8_t *site_key, bool verbose, bool q
|
|||
res = hfgal_read_creds_app(&dctx, current_aid, site_key, &creds, verbose);
|
||||
PM3_RET_IF_ERR_MAYBE_MSG(res, !quiet, "Failed reading card application credentials");
|
||||
|
||||
PrintAndLogEx(SUCCESS, "GALLAGHER (AID %06X) - Region: " _GREEN_("%u") ", Facility: " _GREEN_("%u")
|
||||
", Card No.: " _GREEN_("%u") ", Issue Level: " _GREEN_("%u"), current_aid,
|
||||
creds.region_code, creds.facility_code, creds.card_number, creds.issue_level);
|
||||
PrintAndLogEx(SUCCESS, "Gallagher (AID %06X) - region: " _GREEN_("%u")
|
||||
", fc: " _GREEN_("%u")
|
||||
", cn: " _GREEN_("%u")
|
||||
", issue level: " _GREEN_("%u"),
|
||||
current_aid,
|
||||
creds.region_code,
|
||||
creds.facility_code,
|
||||
creds.card_number,
|
||||
creds.issue_level
|
||||
);
|
||||
}
|
||||
|
||||
return PM3_SUCCESS;
|
||||
}
|
||||
|
||||
static int CmdGallagherReader(const char *cmd) {
|
||||
CLIParserContext *ctx;
|
||||
CLIParserInit(&ctx, "hf gallagher reader",
|
||||
"Read a Gallagher DESFire tag",
|
||||
"hf gallagher reader --aid 2081f4 --sitekey 00112233445566778899aabbccddeeff"
|
||||
" -> act as a reader that skips reading the Card Application Directory and uses a non-default site key\n"
|
||||
"hf gallagher reader -@ -> continuous reader mode"
|
||||
"Read a Gallagher DESFire tag from the Card Application Directory, CAD\n"
|
||||
"Specify site key is required if using non-default key\n",
|
||||
"hf gallagher reader -@ -> continuous reader mode\n"
|
||||
"hf gallagher reader --aid 2081f4 --sitekey 00112233445566778899aabbccddeeff -> skip CAD\n"
|
||||
);
|
||||
|
||||
void *argtable[] = {
|
||||
arg_param_begin,
|
||||
arg_str0(NULL, "aid", "<hex>", "Application ID to read (3 bytes). If specified, then the Card Application Directory is not used"),
|
||||
arg_str0(NULL, "sitekey", "<hex>", "MIFARE site key to compute diversified keys (16 bytes, required if using non-default key)"),
|
||||
arg_str0(NULL, "aid", "<hex>", "Application ID to read (3 bytes). If specified, the CAD is not used"),
|
||||
arg_str0(NULL, "sitekey", "<hex>", "Site key to compute diversified keys (16 bytes)"),
|
||||
arg_lit0("@", "continuous", "Continuous reader mode"),
|
||||
|
||||
arg_lit0(NULL, "apdu", "Show APDU requests and responses"),
|
||||
arg_lit0("v", "verbose", "Verbose mode"),
|
||||
arg_param_end
|
||||
|
|
@ -763,8 +819,9 @@ static int CmdGallagherReader(const char *cmd) {
|
|||
int aid_len = 0;
|
||||
uint8_t aid_buf[3] = {0};
|
||||
CLIGetHexWithReturn(ctx, 1, aid_buf, &aid_len);
|
||||
if (aid_len > 0 && aid_len != 3)
|
||||
if (aid_len > 0 && aid_len != 3) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--aid must be 3 bytes");
|
||||
}
|
||||
|
||||
reverse_aid(aid_buf); // PM3 displays AIDs backwards
|
||||
uint32_t aid = DesfireAIDByteToUint(aid_buf);
|
||||
|
|
@ -773,47 +830,54 @@ static int CmdGallagherReader(const char *cmd) {
|
|||
uint8_t site_key[16] = {0};
|
||||
memcpy(site_key, DEFAULT_SITE_KEY, ARRAYLEN(site_key));
|
||||
CLIGetHexWithReturn(ctx, 2, site_key, &site_key_len);
|
||||
if (site_key_len > 0 && site_key_len != 16)
|
||||
if (site_key_len > 0 && site_key_len != 16) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--sitekey must be 16 bytes");
|
||||
}
|
||||
|
||||
bool continuous_mode = arg_get_lit(ctx, 3);
|
||||
SetAPDULogging(arg_get_lit(ctx, 4));
|
||||
bool verbose = arg_get_lit(ctx, 5);
|
||||
CLIParserFree(ctx);
|
||||
|
||||
if (!continuous_mode)
|
||||
if (continuous_mode == false) {
|
||||
// Read single card
|
||||
return hfgal_read_card(aid, site_key, verbose, false);
|
||||
}
|
||||
|
||||
// Loop until <Enter> is pressed
|
||||
PrintAndLogEx(INFO, "Press " _GREEN_("<Enter>") " to exit");
|
||||
while (!kbd_enter_pressed())
|
||||
while (kbd_enter_pressed() == false) {
|
||||
hfgal_read_card(aid, site_key, verbose, !verbose);
|
||||
}
|
||||
return PM3_SUCCESS;
|
||||
}
|
||||
|
||||
static int CmdGallagherClone(const char *cmd) {
|
||||
CLIParserContext *ctx;
|
||||
CLIParserInit(&ctx, "hf gallagher clone",
|
||||
"Clone Gallagher credentials to a writable DESFire card",
|
||||
"Clone Gallagher credentials to a writable DESFire card\n"
|
||||
"Specify site key is required if using non-default key\n"
|
||||
"Key, lengths for the different crypto: \n"
|
||||
" DES 8 bytes\n"
|
||||
" 2TDEA or AES 16 bytes\n"
|
||||
" 3TDEA 24 bytes\n"
|
||||
"AID id, default finds lowest available in range 0x2?81F4, where 0 <= ? <= 0xB.",
|
||||
"hf gallagher clone --rc 1 --fc 22 --cn 3333 --il 4 --sitekey 00112233445566778899aabbccddeeff"
|
||||
);
|
||||
|
||||
void *argtable[] = {
|
||||
arg_param_begin,
|
||||
arg_int0("n", "keynum", "<decimal>", "Key number [default=0]"),
|
||||
arg_str0("t", "algo", "<DES/2TDEA/3TDEA/AES>", "Crypt algo: DES, 2TDEA, 3TDEA, AES"),
|
||||
arg_str0("k", "key", "<hex>", "Key for authentication to the PICC (HEX 8(DES), 16(2TDEA or AES) or 24(3TDEA) bytes)"),
|
||||
|
||||
arg_u64_1(NULL, "rc", "<decimal>", "Region code. 4 bits max"),
|
||||
arg_u64_1(NULL, "fc", "<decimal>", "Facility code. 2 bytes max"),
|
||||
arg_u64_1(NULL, "cn", "<decimal>", "Card number. 3 bytes max"),
|
||||
arg_u64_1(NULL, "il", "<decimal>", "Issue level. 4 bits max"),
|
||||
arg_str0(NULL, "aid", "<hex>", "Application ID to write (3 bytes) [default finds lowest available in range 0x2?81F4, where 0 <= ? <= 0xB]"),
|
||||
arg_str0(NULL, "sitekey", "<hex>", "MIFARE site key to compute diversified keys (16 bytes, required if using non-default key)"),
|
||||
|
||||
arg_lit0(NULL, "apdu", "Show APDU requests and responses"),
|
||||
arg_lit0("v", "verbose", "Verbose mode"),
|
||||
arg_int0("n", "keynum", "<dec>", "Key number [default = 0]"),
|
||||
arg_str0("t", "algo", "<DES|2TDEA|3TDEA|AES>", "Crypt algo: DES, 2TDEA, 3TDEA, AES"),
|
||||
arg_str0("k", "key", "<hex>", "Key for authentication to the PICC"),
|
||||
arg_u64_1(NULL, "rc", "<dec>", "Region code. 4 bits max"),
|
||||
arg_u64_1(NULL, "fc", "<dec>", "Facility code. 2 bytes max"),
|
||||
arg_u64_1(NULL, "cn", "<dec>", "Card number. 3 bytes max"),
|
||||
arg_u64_1(NULL, "il", "<dec>", "Issue level. 4 bits max"),
|
||||
arg_str0(NULL, "aid", "<hex>", "Application ID to write (3 bytes)"),
|
||||
arg_str0(NULL, "sitekey", "<hex>", "Site key to compute diversified keys (16 bytes)"),
|
||||
arg_lit0(NULL, "apdu", "Show APDU requests and responses"),
|
||||
arg_lit0("v", "verbose", "Verbose mode"),
|
||||
arg_param_end
|
||||
};
|
||||
CLIExecWithReturn(ctx, cmd, argtable, false);
|
||||
|
|
@ -821,16 +885,24 @@ static int CmdGallagherClone(const char *cmd) {
|
|||
int key_num = arg_get_int_def(ctx, 1, 0);
|
||||
|
||||
int key_algo = T_DES;
|
||||
if (CLIGetOptionList(arg_get_str(ctx, 2), DesfireAlgoOpts, &key_algo)) return PM3_ESOFT;
|
||||
if (CLIGetOptionList(arg_get_str(ctx, 2), DesfireAlgoOpts, &key_algo)) {
|
||||
return PM3_ESOFT;
|
||||
}
|
||||
|
||||
int key_len = 0;
|
||||
uint8_t key[DESFIRE_MAX_KEY_SIZE] = {0};
|
||||
CLIGetHexWithReturn(ctx, 3, key, &key_len);
|
||||
if (key_len && key_len != desfire_get_key_length(key_algo))
|
||||
PM3_RET_ERR(PM3_EINVARG, "%s key must have %d bytes length instead of %d", CLIGetOptionListStr(DesfireAlgoOpts, key_algo), desfire_get_key_length(key_algo), key_len);
|
||||
if (key_len == 0)
|
||||
if (key_len && key_len != desfire_get_key_length(key_algo)) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "%s key must have %d bytes length instead of %d",
|
||||
CLIGetOptionListStr(DesfireAlgoOpts, key_algo),
|
||||
desfire_get_key_length(key_algo),
|
||||
key_len
|
||||
);
|
||||
}
|
||||
if (key_len == 0) {
|
||||
// Default to a key of all zeros
|
||||
key_len = desfire_get_key_length(key_algo);
|
||||
}
|
||||
|
||||
uint64_t region_code = arg_get_u64(ctx, 4); // uint4, input will be validated later
|
||||
uint64_t facility_code = arg_get_u64(ctx, 5); // uint16
|
||||
|
|
@ -842,29 +914,34 @@ static int CmdGallagherClone(const char *cmd) {
|
|||
uint32_t aid = 0;
|
||||
CLIGetHexWithReturn(ctx, 8, aid_buf, &aid_len);
|
||||
if (aid_len > 0) {
|
||||
if (aid_len != 3)
|
||||
if (aid_len != 3) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--aid must be 3 bytes");
|
||||
}
|
||||
reverse_aid(aid_buf); // PM3 displays AIDs backwards
|
||||
aid = DesfireAIDByteToUint(aid_buf);
|
||||
|
||||
// Check that the AID is in the expected range
|
||||
if (memcmp(aid_buf, "\xF4\x81", 2) != 0 || aid_buf[2] < 0x20 || aid_buf[2] > 0x2B)
|
||||
// TODO: this should probably be a warning, but key diversification will throw an error later even if we don't
|
||||
PM3_RET_ERR(PM3_EINVARG, "Invalid Gallagher AID %06X, expected 2?81F4, where 0 <= ? <= 0xB", aid);
|
||||
if ((memcmp(aid_buf, "\xF4\x81", 2) != 0) ||
|
||||
(aid_buf[2] < 0x20) ||
|
||||
(aid_buf[2] > 0x2B)) {
|
||||
// TODO: this should probably be a warning, but key diversification will throw an error later even if we don't
|
||||
PM3_RET_ERR(PM3_EINVARG, "Invalid Gallagher AID %06X, expected 2?81F4, where 0 <= ? <= 0xB", aid);
|
||||
}
|
||||
}
|
||||
|
||||
int site_key_len = 0;
|
||||
uint8_t site_key[16] = {0};
|
||||
memcpy(site_key, DEFAULT_SITE_KEY, ARRAYLEN(site_key));
|
||||
CLIGetHexWithReturn(ctx, 9, site_key, &site_key_len);
|
||||
if (site_key_len > 0 && site_key_len != 16)
|
||||
if (site_key_len > 0 && site_key_len != 16) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--sitekey must be 16 bytes");
|
||||
}
|
||||
|
||||
SetAPDULogging(arg_get_lit(ctx, 10));
|
||||
bool verbose = arg_get_lit(ctx, 11);
|
||||
CLIParserFree(ctx);
|
||||
|
||||
if (!gallagher_is_valid_creds(region_code, facility_code, card_number, issue_level))
|
||||
if (gallagher_is_valid_creds(region_code, facility_code, card_number, issue_level) == false)
|
||||
return PM3_EINVARG;
|
||||
|
||||
GallagherCredentials_t creds = {
|
||||
|
|
@ -886,8 +963,9 @@ static int CmdGallagherClone(const char *cmd) {
|
|||
// Find available Gallagher AID if the user did not specify one
|
||||
if (aid_len == 0) {
|
||||
aid = find_available_gallagher_aid(&dctx, verbose);
|
||||
if (aid == 0)
|
||||
if (aid == 0) {
|
||||
PM3_RET_ERR(PM3_EFATAL, "Could not find an available AID, card is full");
|
||||
}
|
||||
}
|
||||
|
||||
// Update Card Application Directory
|
||||
|
|
@ -915,15 +993,15 @@ static int CmdGallagherClone(const char *cmd) {
|
|||
static int CmdGallagherDelete(const char *cmd) {
|
||||
CLIParserContext *ctx;
|
||||
CLIParserInit(&ctx, "hf gallagher delete",
|
||||
"Delete Gallagher application from a DESFire card",
|
||||
"Delete Gallagher application from a DESFire card\n"
|
||||
"Specify site key is required if using non-default key",
|
||||
"hf gallagher delete --aid 2081f4 --sitekey 00112233445566778899aabbccddeeff"
|
||||
);
|
||||
|
||||
void *argtable[] = {
|
||||
arg_param_begin,
|
||||
arg_str1(NULL, "aid", "<hex>", "Application ID to delete (3 bytes)"),
|
||||
arg_str0(NULL, "sitekey", "<hex>", "MIFARE site key to compute diversified keys (16 bytes, required if using non-default key)"),
|
||||
|
||||
arg_str0(NULL, "sitekey", "<hex>", "Site key to compute diversified keys (16 bytes)"),
|
||||
arg_lit0(NULL, "apdu", "Show APDU requests and responses"),
|
||||
arg_lit0("v", "verbose", "Verbose mode"),
|
||||
arg_param_end
|
||||
|
|
@ -935,22 +1013,27 @@ static int CmdGallagherDelete(const char *cmd) {
|
|||
uint32_t aid = 0;
|
||||
CLIGetHexWithReturn(ctx, 1, aid_buf, &aid_len);
|
||||
|
||||
if (aid_len != 3)
|
||||
if (aid_len != 3) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--aid must be 3 bytes");
|
||||
}
|
||||
reverse_aid(aid_buf); // PM3 displays AIDs backwards
|
||||
aid = DesfireAIDByteToUint(aid_buf);
|
||||
|
||||
// Check that the AID is in the expected range
|
||||
if (memcmp(aid_buf, "\xF4\x81", 2) != 0 || aid_buf[2] < 0x20 || aid_buf[2] > 0x2B)
|
||||
if ((memcmp(aid_buf, "\xF4\x81", 2) != 0) ||
|
||||
(aid_buf[2] < 0x20) ||
|
||||
(aid_buf[2] > 0x2B)) {
|
||||
// TODO: this should probably be a warning, but key diversification will throw an error later even if we don't
|
||||
PM3_RET_ERR(PM3_EINVARG, "Invalid Gallagher AID %06X, expected 2?81F4, where 0 <= ? <= 0xB", aid);
|
||||
}
|
||||
|
||||
int site_key_len = 0;
|
||||
uint8_t site_key[16] = {0};
|
||||
memcpy(site_key, DEFAULT_SITE_KEY, ARRAYLEN(site_key));
|
||||
CLIGetHexWithReturn(ctx, 2, site_key, &site_key_len);
|
||||
if (site_key_len > 0 && site_key_len != 16)
|
||||
if (site_key_len > 0 && site_key_len != 16) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--sitekey must be 16 bytes");
|
||||
}
|
||||
|
||||
SetAPDULogging(arg_get_lit(ctx, 3));
|
||||
bool verbose = arg_get_lit(ctx, 4);
|
||||
|
|
@ -981,18 +1064,18 @@ static int CmdGallagherDelete(const char *cmd) {
|
|||
static int CmdGallagherDiversify(const char *cmd) {
|
||||
CLIParserContext *ctx;
|
||||
CLIParserInit(&ctx, "hf gallagher diversify",
|
||||
"Diversify Gallagher key",
|
||||
"Diversify Gallagher key\n"
|
||||
"Specify site key is required if using non-default key",
|
||||
"hf gallagher diversify --uid 11223344556677 --aid 2081f4"
|
||||
);
|
||||
|
||||
void *argtable[] = {
|
||||
arg_param_begin,
|
||||
arg_str1(NULL, "aid", "<hex>", "Application ID for diversification (3 bytes)"),
|
||||
arg_int0(NULL, "keynum", "<decimal>", "Key number [default=0]"),
|
||||
arg_str0(NULL, "uid", "<hex>", "Card UID to delete (4 or 7 bytes)"),
|
||||
arg_str0(NULL, "sitekey", "<hex>", "MIFARE site key to compute diversified keys (16 bytes, required if using non-default key)"),
|
||||
|
||||
arg_lit0(NULL, "apdu", "Show APDU requests and responses"),
|
||||
arg_str1(NULL, "aid", "<hex>", "Application ID for diversification (3 bytes)"),
|
||||
arg_int0(NULL, "keynum", "<dec>", "Key number [default = 0]"),
|
||||
arg_str0(NULL, "uid", "<hex>", "Card UID to delete (4 or 7 bytes)"),
|
||||
arg_str0(NULL, "sitekey", "<hex>", "Site key to compute diversified keys (16 bytes)"),
|
||||
arg_lit0(NULL, "apdu", "Show APDU requests and responses"),
|
||||
arg_param_end
|
||||
};
|
||||
CLIExecWithReturn(ctx, cmd, argtable, false);
|
||||
|
|
@ -1002,30 +1085,37 @@ static int CmdGallagherDiversify(const char *cmd) {
|
|||
uint32_t aid = 0;
|
||||
CLIGetHexWithReturn(ctx, 1, aid_buf, &aid_len);
|
||||
|
||||
if (aid_len != 3)
|
||||
if (aid_len != 3) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--aid must be 3 bytes");
|
||||
}
|
||||
|
||||
reverse_aid(aid_buf); // PM3 displays AIDs backwards
|
||||
aid = DesfireAIDByteToUint(aid_buf);
|
||||
|
||||
// Check that the AID is in the expected range
|
||||
if (memcmp(aid_buf, "\xF4\x81", 2) != 0 || aid_buf[2] < 0x20 || aid_buf[2] > 0x2B)
|
||||
if ((memcmp(aid_buf, "\xF4\x81", 2) != 0) ||
|
||||
(aid_buf[2] < 0x20) ||
|
||||
(aid_buf[2] > 0x2B)) {
|
||||
// TODO: this should probably be a warning, but key diversification will throw an error later even if we don't
|
||||
PM3_RET_ERR(PM3_EINVARG, "Invalid Gallagher AID %06X, expected 2?81F4, where 0 <= ? <= 0xB", aid);
|
||||
}
|
||||
|
||||
int key_num = arg_get_int_def(ctx, 2, 0);
|
||||
|
||||
int uid_len = 0;
|
||||
uint8_t uid[7] = {0};
|
||||
CLIGetHexWithReturn(ctx, 3, uid, &uid_len);
|
||||
if (uid_len > 0 && uid_len != 4 && uid_len != 7)
|
||||
if (uid_len > 0 && uid_len != 4 && uid_len != 7) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--uid must be 4 or 7 bytes");
|
||||
}
|
||||
|
||||
int site_key_len = 0;
|
||||
uint8_t site_key[16] = {0};
|
||||
memcpy(site_key, DEFAULT_SITE_KEY, ARRAYLEN(site_key));
|
||||
CLIGetHexWithReturn(ctx, 4, site_key, &site_key_len);
|
||||
if (site_key_len > 0 && site_key_len != 16)
|
||||
if (site_key_len > 0 && site_key_len != 16) {
|
||||
PM3_RET_ERR(PM3_EINVARG, "--sitekey must be 16 bytes");
|
||||
}
|
||||
|
||||
SetAPDULogging(arg_get_lit(ctx, 5));
|
||||
CLIParserFree(ctx);
|
||||
|
|
@ -1052,15 +1142,16 @@ static int CmdGallagherDiversify(const char *cmd) {
|
|||
char *key_str = sprint_hex_inrow(key, ARRAYLEN(key));
|
||||
PrintAndLogEx(SUCCESS, "Successfully diversified key: " _GREEN_("%s"), key_str);
|
||||
|
||||
if (IfPm3Iso14443())
|
||||
PrintAndLogEx(HINT, "Hint: try "
|
||||
_YELLOW_("`hf mfdes auth --aid %06X --keyno %d --algo AES --key %s`")
|
||||
" to verify", aid, key_num, key_str);
|
||||
if (IfPm3Iso14443()) {
|
||||
PrintAndLogEx(HINT, "Hint: try " _YELLOW_("`hf mfdes auth --aid %06X --keyno %d --algo AES --key %s`") " to verify",
|
||||
aid,
|
||||
key_num,
|
||||
key_str
|
||||
);
|
||||
}
|
||||
return PM3_SUCCESS;
|
||||
}
|
||||
|
||||
static int CmdHelp(const char *cmd);
|
||||
|
||||
static command_t CommandTable[] = {
|
||||
{"help", CmdHelp, AlwaysAvailable, "This help"},
|
||||
{"reader", CmdGallagherReader, IfPm3Iso14443, "Read & decode all Gallagher credentials on a DESFire card"},
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue